No sorry, but they do look like pretty good bags - in particular, this one
Big Back Pack
I know everyone recommends the brand names, but when I was looking for a serious size bag, I couldnt afford the £150 or so for a brand, so got a totally unheard of make for a third of the price and you know what, its solidly made, carries everything and well padded, and showerproof and has a fully waterproof pullover cover sown into the base for those real British Weather days - so basically I am all for stepping outside the Lowepro/Kata box and trying something else if it suits your needs/pocket.